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Revenue - Revenue by Reporting Unit (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | $ 624,246 | $ 622,888 | $ 1,888,576 | $ 1,869,572
Intersegment elimination |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | (768) | (583) | (2,894) | (983)
Fluid & Metering Technologies |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 240,758 | 239,119 | 729,205 | 714,135
Fluid & Metering Technologies | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 240,758 | 239,119 | 729,205 | 714,135
Fluid & Metering Technologies | Intersegment elimination |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | (103) | (94) | (367) | (211)
Fluid & Metering Technologies | Energy | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 42,876 | 42,403 | 122,882 | 121,941
Fluid & Metering Technologies | Valves | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 30,764 | 30,972 | 89,955 | 85,831
Fluid & Metering Technologies | Water | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 62,611 | 63,989 | 188,891 | 188,000
Fluid & Metering Technologies | Pumps | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 84,936 | 81,605 | 260,321 | 245,006
Fluid & Metering Technologies | Agriculture | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 19,674 | 20,244 | 67,523 | 73,568
Health & Science Technologies |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 228,988 | 222,351 | 685,848 | 670,685
Health & Science Technologies | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 228,988 | 222,351 | 685,848 | 670,685
Health & Science Technologies | Intersegment elimination |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | (622) | (75) | (1,305) | (219)
Health & Science Technologies | Scientific Fluidics & Optics | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 108,869 | 106,917 | 325,731 | 310,530
Health & Science Technologies | Sealing Solutions | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 51,389 | 48,787 | 148,326 | 154,123
Health & Science Technologies | Gast | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 32,699 | 33,574 | 104,007 | 92,989
Health & Science Technologies | Micropump | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 8,273 | 8,801 | 25,299 | 27,899
Health & Science Technologies | Material Processing Technologies | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 28,380 | 24,347 | 83,790 | 85,363
Fire & Safety/Diversified Products |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 154,500 | 161,418 | 473,523 | 484,752
Fire & Safety/Diversified Products | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 154,500 | 161,418 | 473,523 | 484,752
Fire & Safety/Diversified Products | Intersegment elimination |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | (43) | (414) | (1,222) | (553)
Fire & Safety/Diversified Products | Fire & Safety | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 100,389 | 102,589 | 303,094 | 298,741
Fire & Safety/Diversified Products | BAND-IT | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | 26,087 | 25,437 | 81,757 | 79,892
Fire & Safety/Diversified Products | Dispensing | Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total net sales | $ 28,067 | $ 33,806 | $ 89,894 | $ 106,672

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